It then plays them using a trans-reflective, high resolution touch screen and 3-D stereo headphones. Its most remarkable feature it is that it uses GPS "Fast Fix" technology to choose which items to play based the visitor's location within the site. It can also mark the visitor's location on an on-screen map.

Keep Reading Below

The Explorer unit is just one part of the wireless Node network, which also includes:

Web-enabled computers, which staff members use to access Node software

In the next section, we'll look at the Node software in more detail.

Location-Based Services

Companies are using location-based services to deliver traffic reports, driving directions, coupons, movie listings and other information to people depending on where they are. These services are a blend of three types of technology: